| /************************************************************************** |
| * |
| * Copyright 2003 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #include "i915_surface.h" |
| #include "i915_resource.h" |
| #include "i915_state.h" |
| #include "i915_blit.h" |
| #include "i915_reg.h" |
| #include "i915_screen.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_inlines.h" |
| #include "util/u_math.h" |
| #include "util/u_format.h" |
| #include "util/u_memory.h" |
| #include "util/u_pack_color.h" |
| #include "util/u_surface.h" |
| |
| static struct pipe_surface * |
| i915_create_surface_custom(struct pipe_context *ctx, |
| struct pipe_resource *pt, |
| const struct pipe_surface *surf_tmpl, |
| unsigned width0, |
| unsigned height0); |
| /* |
| * surface functions using the render engine |
| */ |
| |
| static void |
| i915_util_blitter_save_states(struct i915_context *i915) |
| { |
| util_blitter_save_blend(i915->blitter, (void *)i915->blend); |
| util_blitter_save_depth_stencil_alpha(i915->blitter, (void *)i915->depth_stencil); |
| util_blitter_save_stencil_ref(i915->blitter, &i915->stencil_ref); |
| util_blitter_save_rasterizer(i915->blitter, (void *)i915->rasterizer); |
| util_blitter_save_fragment_shader(i915->blitter, i915->fs); |
| util_blitter_save_vertex_shader(i915->blitter, i915->vs); |
| util_blitter_save_viewport(i915->blitter, &i915->viewport); |
| util_blitter_save_scissor(i915->blitter, &i915->scissor); |
| util_blitter_save_vertex_elements(i915->blitter, i915->velems); |
| util_blitter_save_vertex_buffer_slot(i915->blitter, |
| i915->vertex_buffers); |
| |
| util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); |
| |
| util_blitter_save_fragment_sampler_states(i915->blitter, |
| i915->num_samplers, |
| (void**)i915->fragment_sampler); |
| util_blitter_save_fragment_sampler_views(i915->blitter, |
| i915->num_fragment_sampler_views, |
| i915->fragment_sampler_views); |
| } |
| |
| static void |
| i915_surface_copy_render(struct pipe_context *pipe, |
| struct pipe_resource *dst, unsigned dst_level, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src, unsigned src_level, |
| const struct pipe_box *src_box) |
| { |
| struct i915_context *i915 = i915_context(pipe); |
| unsigned src_width0 = src->width0; |
| unsigned src_height0 = src->height0; |
| unsigned dst_width0 = dst->width0; |
| unsigned dst_height0 = dst->height0; |
| struct pipe_box dstbox; |
| struct pipe_sampler_view src_templ, *src_view; |
| struct pipe_surface dst_templ, *dst_view; |
| const struct util_format_description *desc; |
| |
| /* Fallback for buffers. */ |
| if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) |
| goto fallback; |
| |
| /* Fallback for depth&stencil. XXX: see if we can use a proxy format */ |
| desc = util_format_description(src->format); |
| if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) |
| goto fallback; |
| |
| desc = util_format_description(dst->format); |
| if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) |
| goto fallback; |
| |
| util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); |
| util_blitter_default_src_texture(&src_templ, src, src_level); |
| |
| if (!util_blitter_is_copy_supported(i915->blitter, dst, src)) |
| goto fallback; |
| |
| i915_util_blitter_save_states(i915); |
| |
| dst_view = i915_create_surface_custom(pipe, dst, &dst_templ, dst_width0, dst_height0); |
| src_view = i915_create_sampler_view_custom(pipe, src, &src_templ, src_width0, src_height0); |
| |
| u_box_3d(dstx, dsty, dstz, abs(src_box->width), abs(src_box->height), |
| abs(src_box->depth), &dstbox); |
| |
| util_blitter_blit_generic(i915->blitter, dst_view, &dstbox, |
| src_view, src_box, src_width0, src_height0, |
| PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL); |
| return; |
| |
| fallback: |
| util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, |
| src, src_level, src_box); |
| } |
| |
| static void |
| i915_clear_render_target_render(struct pipe_context *pipe, |
| struct pipe_surface *dst, |
| const union pipe_color_union *color, |
| unsigned dstx, unsigned dsty, |
| unsigned width, unsigned height) |
| { |
| struct i915_context *i915 = i915_context(pipe); |
| struct pipe_framebuffer_state fb_state; |
| |
| util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); |
| |
| fb_state.width = dst->width; |
| fb_state.height = dst->height; |
| fb_state.nr_cbufs = 1; |
| fb_state.cbufs[0] = dst; |
| fb_state.zsbuf = NULL; |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| |
| if (i915->dirty) |
| i915_update_derived(i915); |
| |
| i915_clear_emit(pipe, PIPE_CLEAR_COLOR, color, 0.0, 0x0, |
| dstx, dsty, width, height); |
| |
| pipe->set_framebuffer_state(pipe, &i915->blitter->saved_fb_state); |
| util_unreference_framebuffer_state(&i915->blitter->saved_fb_state); |
| i915->blitter->saved_fb_state.nr_cbufs = ~0; |
| } |
| |
| static void |
| i915_clear_depth_stencil_render(struct pipe_context *pipe, |
| struct pipe_surface *dst, |
| unsigned clear_flags, |
| double depth, |
| unsigned stencil, |
| unsigned dstx, unsigned dsty, |
| unsigned width, unsigned height) |
| { |
| struct i915_context *i915 = i915_context(pipe); |
| struct pipe_framebuffer_state fb_state; |
| |
| util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); |
| |
| fb_state.width = dst->width; |
| fb_state.height = dst->height; |
| fb_state.nr_cbufs = 0; |
| fb_state.zsbuf = dst; |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| |
| if (i915->dirty) |
| i915_update_derived(i915); |
| |
| i915_clear_emit(pipe, clear_flags & PIPE_CLEAR_DEPTHSTENCIL, |
| NULL, depth, stencil, |
| dstx, dsty, width, height); |
| |
| pipe->set_framebuffer_state(pipe, &i915->blitter->saved_fb_state); |
| util_unreference_framebuffer_state(&i915->blitter->saved_fb_state); |
| i915->blitter->saved_fb_state.nr_cbufs = ~0; |
| } |
| |
| /* |
| * surface functions using the blitter |
| */ |
| |
| /* Assumes all values are within bounds -- no checking at this level - |
| * do it higher up if required. |
| */ |
| static void |
| i915_surface_copy_blitter(struct pipe_context *pipe, |
| struct pipe_resource *dst, unsigned dst_level, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src, unsigned src_level, |
| const struct pipe_box *src_box) |
| { |
| struct i915_texture *dst_tex = i915_texture(dst); |
| struct i915_texture *src_tex = i915_texture(src); |
| struct pipe_resource *dpt = &dst_tex->b.b; |
| struct pipe_resource *spt = &src_tex->b.b; |
| unsigned dst_offset, src_offset; /* in bytes */ |
| |
| /* Fallback for buffers. */ |
| if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { |
| util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, |
| src, src_level, src_box); |
| return; |
| } |
| |
| /* XXX cannot copy 3d regions at this time */ |
| assert(src_box->depth == 1); |
| if (dst->target != PIPE_TEXTURE_CUBE && |
| dst->target != PIPE_TEXTURE_3D) |
| assert(dstz == 0); |
| dst_offset = i915_texture_offset(dst_tex, dst_level, dstz); |
| |
| if (src->target != PIPE_TEXTURE_CUBE && |
| src->target != PIPE_TEXTURE_3D) |
| assert(src_box->z == 0); |
| src_offset = i915_texture_offset(src_tex, src_level, src_box->z); |
| |
| assert( util_format_get_blocksize(dpt->format) == util_format_get_blocksize(spt->format) ); |
| assert( util_format_get_blockwidth(dpt->format) == util_format_get_blockwidth(spt->format) ); |
| assert( util_format_get_blockheight(dpt->format) == util_format_get_blockheight(spt->format) ); |
| assert( util_format_get_blockwidth(dpt->format) == 1 ); |
| assert( util_format_get_blockheight(dpt->format) == 1 ); |
| |
| i915_copy_blit( i915_context(pipe), |
| util_format_get_blocksize(dpt->format), |
| (unsigned short) src_tex->stride, src_tex->buffer, src_offset, |
| (unsigned short) dst_tex->stride, dst_tex->buffer, dst_offset, |
| (short) src_box->x, (short) src_box->y, (short) dstx, (short) dsty, |
| (short) src_box->width, (short) src_box->height ); |
| } |
| |
| static void |
| i915_blit(struct pipe_context *pipe, const struct pipe_blit_info *blit_info) |
| { |
| struct i915_context *i915 = i915_context(pipe); |
| struct pipe_blit_info info = *blit_info; |
| |
| if (util_try_blit_via_copy_region(pipe, &info)) { |
| return; /* done */ |
| } |
| |
| if (info.mask & PIPE_MASK_S) { |
| debug_printf("i915: cannot blit stencil, skipping\n"); |
| info.mask &= ~PIPE_MASK_S; |
| } |
| |
| if (!util_blitter_is_blit_supported(i915->blitter, &info)) { |
| debug_printf("i915: blit unsupported %s -> %s\n", |
| util_format_short_name(info.src.resource->format), |
| util_format_short_name(info.dst.resource->format)); |
| return; |
| } |
| |
| i915_util_blitter_save_states(i915); |
| |
| util_blitter_blit(i915->blitter, &info); |
| } |
| |
| static void |
| i915_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource) |
| { |
| } |
| |
| static void |
| i915_clear_render_target_blitter(struct pipe_context *pipe, |
| struct pipe_surface *dst, |
| const union pipe_color_union *color, |
| unsigned dstx, unsigned dsty, |
| unsigned width, unsigned height) |
| { |
| struct i915_texture *tex = i915_texture(dst->texture); |
| struct pipe_resource *pt = &tex->b.b; |
| union util_color uc; |
| unsigned offset = i915_texture_offset(tex, dst->u.tex.level, dst->u.tex.first_layer); |
| |
| assert(util_format_get_blockwidth(pt->format) == 1); |
| assert(util_format_get_blockheight(pt->format) == 1); |
| |
| util_pack_color(color->f, dst->format, &uc); |
| i915_fill_blit( i915_context(pipe), |
| util_format_get_blocksize(pt->format), |
| XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB, |
| (unsigned short) tex->stride, |
| tex->buffer, offset, |
| (short) dstx, (short) dsty, |
| (short) width, (short) height, |
| uc.ui[0] ); |
| } |
| |
| static void |
| i915_clear_depth_stencil_blitter(struct pipe_context *pipe, |
| struct pipe_surface *dst, |
| unsigned clear_flags, |
| double depth, |
| unsigned stencil, |
| unsigned dstx, unsigned dsty, |
| unsigned width, unsigned height) |
| { |
| struct i915_texture *tex = i915_texture(dst->texture); |
| struct pipe_resource *pt = &tex->b.b; |
| unsigned packedds; |
| unsigned mask = 0; |
| unsigned offset = i915_texture_offset(tex, dst->u.tex.level, dst->u.tex.first_layer); |
| |
| assert(util_format_get_blockwidth(pt->format) == 1); |
| assert(util_format_get_blockheight(pt->format) == 1); |
| |
| packedds = util_pack_z_stencil(dst->format, depth, stencil); |
| |
| if (clear_flags & PIPE_CLEAR_DEPTH) |
| mask |= XY_COLOR_BLT_WRITE_RGB; |
| /* XXX presumably this does read-modify-write |
| (otherwise this won't work anyway). Hence will only want to |
| do it if really have stencil and it isn't cleared */ |
| if ((clear_flags & PIPE_CLEAR_STENCIL) || |
| (dst->format != PIPE_FORMAT_Z24_UNORM_S8_UINT)) |
| mask |= XY_COLOR_BLT_WRITE_ALPHA; |
| |
| i915_fill_blit( i915_context(pipe), |
| util_format_get_blocksize(pt->format), |
| mask, |
| (unsigned short) tex->stride, |
| tex->buffer, offset, |
| (short) dstx, (short) dsty, |
| (short) width, (short) height, |
| packedds ); |
| } |
| |
| /* |
| * Screen surface functions |
| */ |
| |
| |
| static struct pipe_surface * |
| i915_create_surface_custom(struct pipe_context *ctx, |
| struct pipe_resource *pt, |
| const struct pipe_surface *surf_tmpl, |
| unsigned width0, |
| unsigned height0) |
| { |
| struct pipe_surface *ps; |
| |
| assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer); |
| if (pt->target != PIPE_TEXTURE_CUBE && |
| pt->target != PIPE_TEXTURE_3D) |
| assert(surf_tmpl->u.tex.first_layer == 0); |
| |
| ps = CALLOC_STRUCT(pipe_surface); |
| if (ps) { |
| /* could subclass pipe_surface and store offset as it used to do */ |
| pipe_reference_init(&ps->reference, 1); |
| pipe_resource_reference(&ps->texture, pt); |
| ps->format = surf_tmpl->format; |
| ps->width = u_minify(width0, surf_tmpl->u.tex.level); |
| ps->height = u_minify(height0, surf_tmpl->u.tex.level); |
| ps->u.tex.level = surf_tmpl->u.tex.level; |
| ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer; |
| ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer; |
| ps->context = ctx; |
| } |
| return ps; |
| } |
| |
| static struct pipe_surface * |
| i915_create_surface(struct pipe_context *ctx, |
| struct pipe_resource *pt, |
| const struct pipe_surface *surf_tmpl) |
| { |
| return i915_create_surface_custom(ctx, pt, surf_tmpl, |
| pt->width0, pt->height0); |
| } |
| |
| static void |
| i915_surface_destroy(struct pipe_context *ctx, |
| struct pipe_surface *surf) |
| { |
| pipe_resource_reference(&surf->texture, NULL); |
| FREE(surf); |
| } |
| |
| |
| void |
| i915_init_surface_functions(struct i915_context *i915) |
| { |
| if (i915_screen(i915->base.screen)->debug.use_blitter) { |
| i915->base.resource_copy_region = i915_surface_copy_blitter; |
| i915->base.clear_render_target = i915_clear_render_target_blitter; |
| i915->base.clear_depth_stencil = i915_clear_depth_stencil_blitter; |
| } else { |
| i915->base.resource_copy_region = i915_surface_copy_render; |
| i915->base.clear_render_target = i915_clear_render_target_render; |
| i915->base.clear_depth_stencil = i915_clear_depth_stencil_render; |
| } |
| i915->base.blit = i915_blit; |
| i915->base.flush_resource = i915_flush_resource; |
| i915->base.create_surface = i915_create_surface; |
| i915->base.surface_destroy = i915_surface_destroy; |
| } |